From c8764ae224161b4cf7865110aef828ec721ec1f5 Mon Sep 17 00:00:00 2001
From: Denis Isidoro <denisidoro@users.noreply.github.com>
Date: Sat, 21 Sep 2019 17:43:17 -0300
Subject: [PATCH] Warn about fzf if not installed (#27)

Fix #13
---
 navi               | 10 ++--------
 scripts/release    | 12 +++---------
 src/healthcheck.sh |  9 +++++++++
 src/main.sh        |  9 +++++++++
 src/misc.sh        |  8 ++++++++
 test/core.sh       |  3 +--
 6 files changed, 32 insertions(+), 19 deletions(-)
 create mode 100644 src/healthcheck.sh

diff --git a/navi b/navi
index 33b6c48..99c8a05 100755
--- a/navi
+++ b/navi
@@ -3,14 +3,6 @@ set -euo pipefail
 
 export SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 
-source "${SCRIPT_DIR}/src/arg.sh"
-source "${SCRIPT_DIR}/src/cheat.sh"
-source "${SCRIPT_DIR}/src/docs.sh"
-source "${SCRIPT_DIR}/src/misc.sh"
-source "${SCRIPT_DIR}/src/selection.sh"
-source "${SCRIPT_DIR}/src/str.sh"
-source "${SCRIPT_DIR}/src/ui.sh"
-
 source "${SCRIPT_DIR}/src/main.sh"
 
 ##? Command cheatsheet tool
@@ -24,4 +16,6 @@ source "${SCRIPT_DIR}/src/main.sh"
 
 VERSION="0.6.1"
 docs::eval "$@"
+
+health::fzf
 main "$@"
diff --git a/scripts/release b/scripts/release
index b207590..8a77e0c 100755
--- a/scripts/release
+++ b/scripts/release
@@ -2,15 +2,7 @@
 set -euo pipefail
 
 export SCRIPT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
-cd "$SCRIPT_DIR"
-
-command_exists () {
-    type "$1" &> /dev/null
-}
-
-echoerr() { 
-	echo "$@" 1>&2
-}
+source "${SCRIPT_DIR}/src/main.sh"
 
 sha256() {
 	if command_exists sha256sum; then
@@ -30,6 +22,8 @@ header() {
 	echo
 }
 
+cd "$SCRIPT_DIR"
+
 header "git pull"
 git pull
 
diff --git a/src/healthcheck.sh b/src/healthcheck.sh
new file mode 100644
index 0000000..90ed69d
--- /dev/null
+++ b/src/healthcheck.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+health::fzf() {
+   if ! command_exists fzf; then
+      echoerr "You need to install fzf before using navi"
+      echoerr "Please refer to https://github.com/junegunn/fzf for install instructions"
+      exit 66
+   fi
+}
\ No newline at end of file
diff --git a/src/main.sh b/src/main.sh
index dbb8ac1..01cb9b9 100644
--- a/src/main.sh
+++ b/src/main.sh
@@ -1,6 +1,15 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+source "${SCRIPT_DIR}/src/arg.sh"
+source "${SCRIPT_DIR}/src/cheat.sh"
+source "${SCRIPT_DIR}/src/docs.sh"
+source "${SCRIPT_DIR}/src/healthcheck.sh"
+source "${SCRIPT_DIR}/src/misc.sh"
+source "${SCRIPT_DIR}/src/selection.sh"
+source "${SCRIPT_DIR}/src/str.sh"
+source "${SCRIPT_DIR}/src/ui.sh"
+
 main() {
    local readonly cheats="$(cheat::find)"
    local readonly selection="$(ui::select "$cheats")"
diff --git a/src/misc.sh b/src/misc.sh
index 29e1f7e..34157dd 100644
--- a/src/misc.sh
+++ b/src/misc.sh
@@ -4,3 +4,11 @@
 dep() {
    :
 }
+
+command_exists () {
+    type "$1" &> /dev/null
+}
+
+echoerr() { 
+	echo "$@" 1>&2
+}
diff --git a/test/core.sh b/test/core.sh
index 726cdbf..6e9dcdc 100644
--- a/test/core.sh
+++ b/test/core.sh
@@ -1,7 +1,6 @@
 #!/usr/bin/env bash
 
-source <(
-grep -v 'main ' "${SCRIPT_DIR}/navi" | sed -E "s|export.*|export SCRIPT_DIR=\"${SCRIPT_DIR}\"|")
+source "${SCRIPT_DIR}/src/main.sh"
 
 test::success() {
    echo "Test passed!"